while loop countdown javascript – javascript count down with wile loop Example

while loop countdown javascript – JavaScript while loop examples as well as The while loop loops through a block of code as long as a specified condition is true.

while loop countdown javascript

first of all declare and instantiate your variable and then set up your loop that will run while your variable is greater than zero, log timer to the console for debugging purposes and reduce the count of timer by one over each iteration.

JavaScript while Loop

while (expression) {
    // statement
}

javascript count down with wile loop

javascript count down with wile loop

var userCountDown = 60;


while (userCountDown > 0) {

console.log(userCountDown);

userCountDown--;
}

//after userCountDown has reached zero, the code will break out of the while loop and run the alert with your confirmation message
alert("Done");

JavaScript while loop examples

let userCountDown = 1;
while (userCountDown < 10) {
    console.log(userCountDown);
    userCountDown +=2;
}

create an array of five random number between 1 and 10

let rands = [];
let userCountDown = 0;
const base = 5;

while(userCountDown < base) {
    rands.push(Math.round(Math.random() * 10));
    userCountDown++;
    console.log('The Active base of the array is ' + userCountDown);
}

console.log(rands);

Results

The Active base of the array is 1
The Active base of the array is 2
The Active base of the array is 3
The Active base of the array is 4
The Active base of the array is 5

[1, 9, 1, 9, 6]

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